1 /* $OpenBSD: cmd-split-window.c,v 1.26 2011/12/09 16:28:18 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER 15 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING 16 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include <sys/types.h> 20 21 #include <paths.h> 22 #include <stdlib.h> 23 #include <unistd.h> 24 25 #include "tmux.h" 26 27 /* 28 * Split a window (add a new pane). 29 */ 30 31 void cmd_split_window_key_binding(struct cmd *, int); 32 int cmd_split_window_exec(struct cmd *, struct cmd_ctx *); 33 34 const struct cmd_entry cmd_split_window_entry = { 35 "split-window", "splitw", 36 "dl:hp:Pt:v", 0, 1, 37 "[-dhvP] [-p percentage|-l size] [-t target-pane] [command]", 38 0, 39 cmd_split_window_key_binding, 40 NULL, 41 cmd_split_window_exec 42 }; 43 44 void 45 cmd_split_window_key_binding(struct cmd *self, int key) 46 { 47 self->args = args_create(0); 48 if (key == '%') 49 args_set(self->args, 'h', NULL); 50 } 51 52 int 53 cmd_split_window_exec(struct cmd *self, struct cmd_ctx *ctx) 54 { 55 struct args *args = self->args; 56 struct session *s; 57 struct winlink *wl; 58 struct window *w; 59 struct window_pane *wp, *new_wp = NULL; 60 struct environ env; 61 char *cmd, *cwd, *cause, *new_cause; 62 const char *shell; 63 u_int hlimit, paneidx; 64 int size, percentage; 65 enum layout_type type; 66 struct layout_cell *lc; 67 68 if ((wl = cmd_find_pane(ctx, args_get(args, 't'), &s, &wp)) == NULL) 69 return (-1); 70 w = wl->window; 71 72 environ_init(&env); 73 environ_copy(&global_environ, &env); 74 environ_copy(&s->environ, &env); 75 server_fill_environ(s, &env); 76 77 if (args->argc == 0) 78 cmd = options_get_string(&s->options, "default-command"); 79 else 80 cmd = args->argv[0]; 81 cwd = cmd_get_default_path(ctx); 82 83 type = LAYOUT_TOPBOTTOM; 84 if (args_has(args, 'h')) 85 type = LAYOUT_LEFTRIGHT; 86 87 size = -1; 88 if (args_has(args, 'l')) { 89 size = args_strtonum(args, 'l', 0, INT_MAX, &cause); 90 if (cause != NULL) { 91 xasprintf(&new_cause, "size %s", cause); 92 xfree(cause); 93 cause = new_cause; 94 goto error; 95 } 96 } else if (args_has(args, 'p')) { 97 percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause); 98 if (cause != NULL) { 99 xasprintf(&new_cause, "percentage %s", cause); 100 xfree(cause); 101 cause = new_cause; 102 goto error; 103 } 104 if (type == LAYOUT_TOPBOTTOM) 105 size = (wp->sy * percentage) / 100; 106 else 107 size = (wp->sx * percentage) / 100; 108 } 109 hlimit = options_get_number(&s->options, "history-limit"); 110 111 shell = options_get_string(&s->options, "default-shell"); 112 if (*shell == '\0' || areshell(shell)) 113 shell = _PATH_BSHELL; 114 115 if ((lc = layout_split_pane(wp, type, size)) == NULL) { 116 cause = xstrdup("pane too small"); 117 goto error; 118 } 119 new_wp = window_add_pane(w, hlimit); 120 if (window_pane_spawn( 121 new_wp, cmd, shell, cwd, &env, s->tio, &cause) != 0) 122 goto error; 123 layout_assign_pane(lc, new_wp); 124 125 server_redraw_window(w); 126 127 if (!args_has(args, 'd')) { 128 window_set_active_pane(w, new_wp); 129 session_select(s, wl->idx); 130 server_redraw_session(s); 131 } else 132 server_status_session(s); 133 134 environ_free(&env); 135 136 if (args_has(args, 'P')) { 137 if (window_pane_index(new_wp, &paneidx) != 0) 138 fatalx("index not found"); 139 ctx->print(ctx, "%s:%u.%u", s->name, wl->idx, paneidx); 140 } 141 return (0); 142 143 error: 144 environ_free(&env); 145 if (new_wp != NULL) 146 window_remove_pane(w, new_wp); 147 ctx->error(ctx, "create pane failed: %s", cause); 148 xfree(cause); 149 return (-1); 150 } 151